WGU D440 Nutrition Exam Study Questions
with 100% Correct Answers
Determine various sources of reliable and accurate nutrition information - Answer U.S.
Food and Drug Administration, USDA, Nutrition Facts Panel, Whole Grains Council,
Center for Food Safety and Applied Nutrition, Codex Alimentarius Commission - an
organization of the WHO and Food and Agriculture Organization of the United Nations.
THE HIGHEST INTERNATIONAL ORGANIZATION OVERSEEING FOOD STANDARDS.
Analyze the physiologic stimuli and environmental triggers that cause us to eat. -
Answer Stimuli that can affect eating, such as where, when and what we eat
Identify all major accessory organs of the GI tract. - Answer Salivary glands, pancreas,
liver, and gall bladder
Analyze the path of food as it passes through the GI tract to determine how organs and
enzymes break down the food. - Answer Salivary Glands secrete saliva into the oral
cavity, where it is mixed with food during mastication. Functions of saliva include the
following: It moistens and lubricates food during mastication and swallowing. It begins
the chemical digestion of starches through the action of amylase, which breaks down
polysaccharides into disaccharides.
Liver functions include the following:
secretion
synthesis of bile salts
synthesis of plasma protein
storage
detoxification
excretion
carbohyrate metabolism
lipid metabolism
,protein metabolism
filtering
Gallbladder serves as a storage reservoir for bile. Bile salts act as emulsifying agents in
the digestion and absorption of fats. Cholesterol and bile pigments from the breakdown
of hemoglobin are excreted from the body in the bile.
Pancreas -Pancreatic enzymes include anylase, trypsin, peptidase, and lipase.
Pancreatic secretions are controlled by the hormones secretin and cholecystokinin.
Identify the causes, symptoms, and treatments of GERD, ulcers, constipation, and
diarrhea - Answer GERD occurs when the stomach contents flow back up into the
esophagus (the muscular tube that carries food and liquids from the mouth to the
stomach) Changes in diet can decrease they symptoms of GERD and ulcers. Such as
avoiding spicy foods, coffee, chocolate. Frequent small meals instead of large meals.
Some prescribed medications along with diet change can help.
Differentiate among various disorders related to specific foods - Answer Lactose
intolerance-avoid or limit intake of milk and milk products.
Celiac disease-avoid foods containing wheat, rye, or barley
Compare and contrast simple and complex carbohydrates - Answer Simple carbs-mono
and saccharides-are glucose, fructose, and glactose
Di (2)-Sucrose, maltose, lactose. Maltose and lactose can come together and form
glucose
Complex-polysaccharides are starches (amylose) and fibers
Recognize a variety of foods that are good sources of carbohydrates - Answer Grains,
legumes, milk, and milk products
, Identify the function of carbohydrates in the human body - Answer They provide energy.
Fiber that is consumed with carbs provides health benefits. It provides normal
cholesterol levels in the blood and help fight heart disease. It also helps regulate bowel
function and fight colon cancer
Summarize the acceptable micronutrient distribution range (AMDR) for carbohydrates.
The atequate intake (AI) for fiber. And the recommended daily intake (RDI) of added
sugars - Answer Limit them to no more the 100 calories of your total recommended
calories for the day. The AMDR is 45-65% of all calories from carbohydrates. AI for Males
is 38 grams for the age up to 50 years ol. Less then 30 grams for 51 years and older.
Females 25 grams for up to 50 years old. 21 grams for 51 years old and older.
Identify potential health risks of diets high in simple sugars - Answer Increased weight
and fat deposits lead to an increase in blood lipid levels and an increase in the risk of
developing diabetes
Identify foods that are a good source of carbohydrates - Answer Grains
Legumes
Milk
Milk products
Differentiate between Type 1 and Type 2 diabetes, including etiology with a focus on
diets - Answer Type1- there is a lower percentage of cases at the age of less than 30
years old. It is autoimmune. It causes destruction of beta cells in the pancreas and leads
to insulin deficiency. They will be on insulin.
Symptoms:
extreme thirst
frequent urination
drowsiness or lethargy
sugar in the urine
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